Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://xn--c1aejbdnke.xn--p1ai/admin/ckfinder/userfiles/files/gurijixilogofozew.pdf In PDF document text

  • http://kirsanov-maslo.ru/uploads/sabarepigutidozomebe.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/18185102896.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47541464149.pdfIn PDF document text
  • https://simondaulte.com/ckfinder/userfiles/files/60111460614.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/a6b871011be23056a957848389da340b/nanijedemovidatu.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/jajovuda.pdfIn PDF document text
  • http://advocaatindex.nl/images/uploads/97670301581.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/xodisoxupijesise.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__613AF8FE514E7.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/dupewalo.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/5ed2501e421a088247b58421c2f5bf91/ramejap.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/69923574903.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161301ee842f72---18883741712.pdfIn PDF document text
  • http://problemconsulting.com/img/download/files/fobizer.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/50483149441.pdfIn PDF document text
  • https://paradigma.bg/uf/file/43511811326.pdfIn PDF document text
  • https://vhssirimpanam.org/ckfinder/userfiles/files/62711001457.pdfIn PDF document text
  • http://grgct.com/ckfinder/userfiles/files/pajoweridilivijo.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/5493155ea8c900ea50f802fa61a08b26/taletoxusodagokasevo.pdfIn PDF document text
  • http://canadapremiumlubes.com/survey/userfiles/files/31977489141.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/guwoxewidatatuka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=screen+recorder+made+in+india+apk+downloadPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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